Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 74 ones = _____
- 7 tens = _____
- 4 tens 9 ones = _____
- 9 tens 17 ones = _____
(a)
74 ones
= 74 x 1
= 74
(b)
7 tens
= 7 x 10
= 70
(c)
4 tens 9 ones
= 4 x 10 + 9 x 1
= 40 + 9
= 49
(d)
9 tens 17 ones
= 9 x 10 + 17 x 1
= 90 + 17
= 107
Answer(s): 74, 70, 49, 107